Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: great time today on Mesothelioma ride with Robert Pandya and Kristy Swanson and of course led by Fabio  Responser: That looks like fun, wish I was there.

Positive